From corporate social responsibility to ESG to “doing well by doing good,” an increasing number of organizations are pursuing positive social impact, and it’s not just nonprofits and government agencies. But incorporating social impact into a for-profit business raises all kinds of system dilemmas, says Jacob Harold, a cofounder of the philanthropy data platform Candid and the former CEO of GuideStar. He explains a bundle of tools that can be used together to create meaningful change. Harold wrote the new book “The Toolbox: Strategies for Crafting Social Impact.”